Lock casing



FIG. 1 is a perspective view of a lock casing showing our design;

FIG. 2 is a second perspective view of the lock casing shown in FIG. 1;

FIG. 3 is a third perspective view of the lock casing shown in FIG. 1;

FIG. 4 is a fourth perspective view of the lock casing shown in FIG. 1;

FIG. 5 is a fifth perspective view of the lock casing shown in FIG. 1;

FIG. 6 is a sixth perspective view of the lock casing shown in FIG. 1;

FIG. 7 is a side elevation view of the lock casing shown in FIG. 1;

FIG. 8 is a bottom plan view of the lock casing shown in FIG. 1; and,

FIG. 9 is a top plan view of the lock casing shown in FIG. 1.

The portions of the design in broken lines are for the purpose of illustrating the environment only and form no part of the claimed design. 

CLAIM The ornamental design for a lock casing, as shown and described. 